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Brakpan: coordinates, UTM zone and magnetic declination

Survey data sheet for Brakpan (South Africa) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude26°14′11.6″ S
Longitude28°22′09.8″ E
Decimal degrees-26.23656, 28.36938
UTM zone35S · MC 27° E
UTM (WGS 84)E 636,777 · N 7,097,396
Scale factor (k)0.999831
Grid convergence−0.6055°
Magnetic declination (today)21.02° W · −15.9′/year
Geoid undulation (EGM2008)N = 26.58 m
Approximate elevation1,631 m
Time zoneAfrica/Johannesburg (UTC+2)
Population305,692

Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.

Nearest GNSS reference stations (IGS)

StationLocationDistance
PRE3 PRE300ZAFPretoria, South Africa56 km
PRE4 PRE400ZAFPretoria, South Africa56 km
JPRE JPRE00ZAFPretoria, South Africa57 km

Tools to use here

FAQ

What UTM zone is Brakpan in?

Brakpan is in UTM zone 35S, with central meridian 27° E. In WGS 84, the city center is at E 636,777 m and N 7,097,396 m.

What is the magnetic declination in Brakpan?

Today the magnetic declination in Brakpan is 21.02° W, changing by −15.9′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).

What is the geoid undulation in Brakpan?

The geoid undulation (EGM2008) in Brakpan is N = 26.58 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Brakpan

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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